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Again, reread what I just posted above.  ANY TUBE FED SHOTGUN for the reasons I again described above.  Benelli is no different.

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No, double bbl shotguns won't have this problem.  Tube fed shotguns from the Spencer onwards will.

You're asking a spring to sit completely compressed, for months, then slide close to a pound of shells more than two inches in the magazine to feed one round.  And it has to be not impossible to feed, nor so tight as to crush plastic or paper shells stacked in the mag for months.

ETA:  Most hunting shotguns have plugs in the mags - which keep the spring from being completely compressed - which is perhaps why you've not noticed this on yer old Brownings.  Throw an extended mag on those and leave em topped up w/ buckshot or slugs, you'll have the same problem.